Case for PiFinder.
There are 2 cases here. A case for external power and a case for the PiFinder with PiSugar battery.
CAD is here:https://cad.onshape.com/documents/58f5ee14d02eb3a15486cb0e/w/65f0c6ff5eba10e82da55e06/e/96e7dacc3a92ac6ef828d2a9